MMBD4448HTA

MMBD4448HT/HTA HTC/HTS Surface Mount Switching Diodes P b Lead(Pb)-Free Features: * Ultra-Small Surface Mount Package * Fast switching Speed * For General Purpose Switching Applications * High Conductance SWITCHING DIODES 250 mAMPERES 80 VOLTS 3 1 2 Mechanical Data: * Terminals: Solderable per MIL-STD-202, Method 208 * Polarity: See Diagrams Page.2 * Marking: See Diagrams Page.2 * Weight: 0.002 grams (approx) SOT-523(SC-75) SOT-523 Outline Dimensions (SC-75) SOT-523 B C Unit:mm A TOP VIEW D E G H K J L M Dim A B C D E G H J K L M Min 0.30 0.70 1.45 0.15 0.80 1.40 0.00 0.70 0.37 0.10 Max 0.50 0.90 1.75 0.50 0.40 1.00 1.80 0.10 1.00 0.48 0.25 http://www.weitron.com.tw WEITRON 1/3 31-May-07 MMBD4448HT/HTA HTC/HTS Maximum Ratings Characteristic ( TA=25°C Unless otherwise noted) Symbol VRM VRRM VRRM VR IFM IO IFSM Pd RθJA Tj TSTG Value 100 80 500 250 4.0 2.0 150 833 +150 -65 to + 150 Unit V V mA mA A mW °C/W °C °C Non-Repetitve Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Forward Continuous Current Average Recti ed Output Current Non-Repetitive Peak Forward Surge Current @t=1.0µS @t=1.0S Power Dissipation Thermal Resistance Junction Temperature Range Storage Temperature Range Electrical Characteristics Characteristic Reverse Breakdown Voltage IR=2.5µA Forward Voltage IF=5mA IF=10mA IF=100mA IF=150mA Total Capacitance VR=6V, f=1.0MHz Reverse Current VR=70V VR=20V Reverse Recover Time VR=6V, IF=5mA ( TA=25˚C Unless otherwise noted) Symbol V(BR)R Min 80 620 Max 720 855 1000 1250 3.5 0.1 0.025 4.0 Unit V VF mV CT IR Trr - pF µA nS Device Marking Item MMBD4448HT MMBD4448HTS MMBD4448HTC MMBD4448HTA Marking A3 AB A7 A6 Eqivalent Circuit diagram 3 3 3 3 1 1 2 1 2 1 2 http://www.weitron.com.tw WEITRON 2/3 31-May-07 MMBD4448HT/HTA HTC/HTS Electrical Characteristic curves(TA=25˚C) http://www.weitron.com.tw WEITRON 3/3 31-May-07